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Initial experimental results on a superconducting-qubit reset based on photon-assisted quasiparticle tunneling

Autor: Sevriuk, V. A., Liu, W., Rönkkö, J., Hsu, H., Marxer, F., Mörstedt, T. F., Partanen, M., Räbinä, J., Venkatesh, M., Hotari, J., Grönberg, L., Heinsoo, J., Li, T., Tuorila, J., Chan, K. W., Hassel, J., Tan, K. Y., Möttönen, M.

Publikováno v: Appl. Phys. Lett. 121, 234002 (2022)

We present here our recent results on qubit reset scheme based on a quantum-circuit refrigerator (QCR). In particular, we use the photon-assisted quasiparticle tunneling through a superconductor--insulator--normal-metal--insulator--superconductor jun

Externí odkaz: http://arxiv.org/abs/2212.01065

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Challenging local realism with human choices

Autor: The BIG Bell Test Collaboration, Abellán, C., Acín, A., Alarcón, A., Alibart, O., Andersen, C. K., Andreoli, F., Beckert, A., Beduini, F. A., Bendersky, A., Bentivegna, M., Bierhorst, P., Burchardt, D., Cabello, A., Cariñe, J., Carrasco, S., Carvacho, G., Cavalcanti, D., Chaves, R., Cortés-Vega, J., Cuevas, A., Delgado, A., de Riedmatten, H., Eichler, C., Farrera, P., Fuenzalida, J., García-Matos, M., Garthoff, R., Gasparinetti, S., Gerrits, T., Jouneghani, F. Ghafari, Glancy, S., Gómez, E. S., González, P., Guan, J. -Y., Handsteiner, J., Heinsoo, J., Heinze, G., Hirschmann, A., Jiménez, O., Kaiser, F., Knill, E., Knoll, L. T., Krinner, S., Kurpiers, P., Larotonda, M. A., Larsson, J. -Å., Lenhard, A., Li, H., Li, M. -H., Lima, G., Liu, B., Liu, Y., Grande, I. H. López, Lunghi, T., Ma, X., Magaña-Loaiza, O. S., Magnard, P., Magnoni, A., Martí-Prieto, M., Martínez, D., Mataloni, P., Mattar, A., Mazzera, M., Mirin, R. P., Mitchell, M. W., Nam, S., Oppliger, M., Pan, J. -W., Patel, R. B., Pryde, G. J., Rauch, D., Redeker, K., Rieländer, D., Ringbauer, M., Roberson, T., Rosenfeld, W., Salathé, Y., Santodonato, L., Sauder, G., Scheidl, T., Schmiegelow, C. T., Sciarrino, F., Seri, A., Shalm, L. K., Shi, S. -C., Slussarenko, S., Stevens, M. J., Tanzilli, S., Toledo, F., Tura, J., Ursin, R., Vergyris, P., Verma, V. B., Walter, T., Wallraff, A., Wang, Z., Weinfurter, H., Weston, M. M., White, A. G., Wu, C., Xavier, G. B., You, L., Yuan, X., Zeilinger, A., Zhang, Q., Zhang, W., Zhong, J.

Publikováno v: Nature, volume 557, pages 212-216 (2018)

A Bell test is a randomized trial that compares experimental observations against the philosophical worldview of local realism. A Bell test requires spatially distributed entanglement, fast and high-efficiency detection and unpredictable measurement

Externí odkaz: http://arxiv.org/abs/1805.04431

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Digital quantum simulation of spin models with circuit quantum electrodynamics

Autor: Salathé, Y., Mondal, M., Oppliger, M., Heinsoo, J., Kurpiers, P., Potočnik, A., Mezzacapo, A., Heras, U. Las, Lamata, L., Solano, E., Filipp, S., Wallraff, A.

Publikováno v: Phys. Rev. X 5, 021027 (2015)

Systems of interacting quantum spins show a rich spectrum of quantum phases and display interesting many-body dynamics. Computing characteristics of even small systems on conventional computers poses significant challenges. A quantum simulator has th

Externí odkaz: http://arxiv.org/abs/1502.06778

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